package cn.yunhe.biz;

import java.io.IOException;
import java.util.List;

import cn.yunhe.entity.Book;
import cn.yunhe.entity.Cart;
import cn.yunhe.entity.Student;
import cn.yunhe.entity.Teacher;

public interface PeopleMessagebiz {
	public List<Student> FindAllStudent() throws IOException;
	public Student FindStudentBySid(String id) throws IOException;
	public List<Teacher> FindAllTeacher() throws IOException;
	public Teacher FindTeacherBySid(String id) throws IOException;
	Teacher FindTeacherByTid(String id) throws IOException;
}
